#!/bin/bash

source bin/make/colors.sh

printf "${BLUE_BG}                                     ${CLEAR}\n"
printf "${BLUE_BG}${BLACK_FG}        Checking Requirements        ${CLEAR}\n"
printf "${BLUE_BG}                                     ${CLEAR}\n"

# Check Jenv
command -v jenv >/dev/null 2>&1 || \
{ \
  printf >&2 "${RED_FG}✘ Jenv${YELLOW_FG} is ${RED_FG}not installed${YELLOW_FG}! \n"; \
  exit 1; \
}
printf >&2 "${GREEN_FG}✔ Jenv${BLUE_FG} is ${GREEN_FG}installed${BLUE_FG}.\n"

# Check Jenv Maven plugin
jenv plugins | grep -q 'maven' >/dev/null 2>&1 || \
{ \
  printf >&2 "${RED_FG}✘ Jenv Maven Plugin${YELLOW_FG} is ${RED_FG}not installed${YELLOW_FG}! \n"; \
  exit 1; \
}
printf >&2 "${GREEN_FG}✔ Jenv Maven Plugin${BLUE_FG} is ${GREEN_FG}installed${BLUE_FG}.\n"

# Check Jenv Maven plugin is Enabled
jenv plugins --enabled | grep -q 'maven' >/dev/null 2>&1 || \
{ \
  printf >&2 "${RED_FG}✘ Jenv Maven Plugin${YELLOW_FG} is ${RED_FG}not enabled${YELLOW_FG}! \n"; \
  exit 1; \
}
printf >&2 "${GREEN_FG}✔ Jenv Maven Plugin${BLUE_FG} is ${GREEN_FG}enabled${BLUE_FG}.\n"

# Check Maven
command -v mvn >/dev/null 2>&1 || \
{ \
  printf >&2 "${RED_FG}✘ Maven${YELLOW_FG} is ${RED_FG}not installed${YELLOW_FG}! \n"; \
  exit 1; \
}
printf >&2 "${GREEN_FG}✔ Maven${BLUE_FG} is ${GREEN_FG}installed${BLUE_FG}.\n"


# Check XML Lint
command -v xmllint >/dev/null 2>&1 || \
{ \
  printf >&2 "${RED_FG}✘ XML Lint{YELLOW_FG} is ${RED_FG}not installed${YELLOW_FG}!\n  Install it via DNF, APT or Brew.\n"; \
  exit 1; \
}
printf >&2 "${GREEN_FG}✔ XML Lint${BLUE_FG} is ${GREEN_FG}installed${BLUE_FG}.\n"

# Check Java Version
required_java_version=$( \
  xmllint --xpath "string(./project/component[@languageLevel]/@languageLevel)" .idea/misc.xml \
  | cut -c 5- \
) && \
current_java_version=$( \
  java -version 2>&1 \
  |  awk -F '"' '/version/ {print $2}' \
) && \
current_major_java_version=$( \
  echo ${current_java_version} \
  | cut -d '.' -f 1\
) && \
[ "${current_major_java_version}" = "${required_java_version}" ]  || \
{ \
  printf >&2 "${RED_FG}✘ Wrong Java Version${YELLOW_FG} is installed!\n  Version ${RED_FG}${required_java_version}${YELLOW_FG} is ${RED_FG}required${YELLOW_FG}.\n"; \
  exit 1; \
} && \
printf >&2 "${GREEN_FG}✔ Java${BLUE_FG} Version ${GREEN_FG}${current_major_java_version}${BLUE_FG} is ${GREEN_FG}installed${BLUE_FG}.\n"